Microsoft Word adding an extra space before colon

When looking at my blog analytics, I noticed an intriging thing: my most read post is a very old one, one I wrote more than 8 years ago. And yet, people seem to like to info that’s on there, as I regularly get comments and thank you’s from people that were close to insanity not understanding why sometimes Microsoft Word is automatically adding an extra space before a colon.

If you have been struggling with this as well, read my post of March 2008.

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Removing even more annoying context menus

Building further on my series of posts to get rid of annoying context menus, another list of things to remove:

  • 3D Print with 3D Builder context
    • regedit: remove subkeys
      HKEY_CLASSES_ROOT\SystemFileAssociations\.bmp\Shell\T3DPrint
      HKEY_CLASSES_ROOT\SystemFileAssociations\.jpg\Shell\T3DPrint
      HKEY_CLASSES_ROOT\SystemFileAssociations\.png\Shell\T3DPrint
  • Cast to Device (*)
    • Add the following String value to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Blocked:
      • Key: {7AD84985-87B4-4a16-BE58-8B72A5B390F7}
      • Value: Play to Menu
  • Scan with Windows Defender
    • regsvr32 /u "C:\Program Files\Windows Defender\shellext.dll
  • Burn with Nero
    • Run C:\Program Files (x86)\Common Files\Nero\NeroShellExt\x64\shellreg64uninstall.reg

(*) Only disappears after reboot

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2 Javascript discoveries

If you are an experienced Javascript developer, the following will not come as a surprise to you, but for those who might be struggling with some of the quirks of this otherwise pretty useful language, I’d like to share 2 discoveries. I spent quite some time trying to understand why certain code wouldn’t do what I intended and after several frustrating hours, I finally found that

  • Javascript is not a pure “pass-by-value” language, as I thought. When passing an object to a function, any changes to the internals of that object within the function, will alter the object outside the function.
  • A long-running JavaScript will freeze the browser, preventing it from being updated, so any visual changes will not be visible, until after the processing has finished.
    • Solution: Add a delay (even a 0ms delay) between making a visible change, and starting the script. Add this delay using setTimeout():

Background:

  • Some complex code on one of my websites didn’t behave properly, even though the code looked fine. Eventually I learned that an object that I passed to a function should not be altered within that function, as it directly changes the object itself, rather than a copy, which would be the case in a pure “pass-by-value” language. See http://nsono.net/javascript-pass-by-value-or-pass-by-reference/ for details.
  • I’m using the powerful datatables plugin on my websites. As some tables contain a lot of columns, I wanted to provide shortcuts to dynamically show or hide certain columns. You can do that with the column().visible() method, but as the table is large, it takes a few seconds to see the result. I therefore wanted to show the user that some processing was going on, with a small popup or by adding a “changing” class to a DOM element. However, these visual changes did not show, or better, they only showed AFTER the processing was done. I really didn’t understand why it was not working, until eventually http://stackoverflow.com/questions/20048357/loading-overlay-with-datatables gave a clue: “A long-running JavaScript will freeze the browser, preventing it from being updated.” Using setTimeout() with a delay of 0ms finally solved it.
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